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1. 发明专利

JP2013193842A Sheet feeder, automatic document feeder, and image forming apparatus 审中-公开
标题翻译：纸张进纸器，自动文件进纸器和图像形成装置
公开(公告)号：JP2013193842A
公开(公告)日：2013-09-30
申请号：JP2012062761
申请日：2012-03-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KANBAYASHI MAMORU , SAKANO HIROKI , KIMURA NORIO , SANO TAKUYA , MORITA KENICHIRO , MORINAGA TAKUYA , NAKANO TAKASHI , TOBINAGA HIDEKI , SUZUKI MICHITAKA , FUKUMOTO TAKASHI , FUJITA ATSUSHI , FUKUCHI MASATAKA , YOSHIDA RYUJI
IPC分类号： B65H1/14 , B65H3/68
摘要： PROBLEM TO BE SOLVED: To provide a means of keeping constant the entry angle which is formed by a guide member guiding a sheet to a carrier and the fed sheet, and of increasing the stacking amount of sheets without upsizing a device.SOLUTION: A guide member 42 has a sheet conveying-directional downstream side supported at a fixing fulcrum 10a, a sheet stacking portion 3 has a sheet conveying-directional upstream side supported at another fixing fulcrum 3a, and the guide member and sheet stacking portion can rotate on the respective fulcra and are coupled to each other by coupling means 60, the guide member 42 being rotated by the same rotation amount with the sheet stacking portion 3 in a direction such that a sheet entry angle α3 becomes constant as the sheet stacking portion 3 rotates.
摘要翻译：要解决的问题：提供一种将由导向构件引导到载体和供给的片材的引导构件形成的入口角度保持恒定的装置，并且增加片材的堆积量而不增加装置。解决方案：导向件构件42具有支撑在固定支点10a处的片材输送方向下游侧，片材堆叠部分3具有被支撑在另一固定支点3a处的片材输送方向上游侧，并且引导构件和片材堆叠部分可以在相应的并且通过联接装置60彼此联接，引导构件42随着片材堆叠部分3以片材入口角度α3变得恒定的方向与片材堆叠部分3旋转相同的旋转量。

2. 发明专利

JP2013237536A Sheet feeding device and image forming apparatus 审中-公开
标题翻译：纸张进给装置和图像形成装置
公开(公告)号：JP2013237536A
公开(公告)日：2013-11-28
申请号：JP2012111691
申请日：2012-05-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA TAKUYA , TOBINAGA HIDEKI , FUKUMOTO TAKASHI , FUJITA ATSUSHI , KANBAYASHI MAMORU , FUKUCHI MASATAKA , SUZUKI MICHITAKA , YOSHIDA RYUJI , NAKANO TAKASHI , MORITA KENICHIRO , KIMURA NORIO , SAKANO HIROKI , SANO TAKUYA
IPC分类号： B65H1/14 , B65H1/04 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a sheet feeding device that can shorten the time to start reading the first sheet without inhibiting the sheet setting operation by a user.SOLUTION: An automatic document conveying device 50 as a sheet feeding device includes: a document table 2 for loading and setting documents: a separating and feeding means for separating the documents and feeding them one by one; a conveying means for conveying the documents to a reading position 20; a discharge means for discharging the documents from the reading position; a document set sensor 5 for detecting whether or not the documents are on the document table; and a document movement detecting sensor SN2 for detecting whether or not the documents on the document table are being set by a user, and performs a feeding preparation operation for the documents after detecting the presence of the sheet by the document set sensor 5, and detecting that the sheet setting operation has been completed by the document movement detecting sensor SN2.
摘要翻译：要解决的问题：提供一种能够缩短开始读取第一片材的时间的片材进给装置，而不会妨碍用户的片材设定操作。解决方案：作为片材进给装置的自动文件传送装置50包括：文件台 2用于装载和设置文件：一个分离和进料装置，用于分离文件并逐一进料; 用于将文件传送到阅读位置20的传送装置; 用于从读取位置排出文件的排出装置; 用于检测文件是否在文档表上的文件集传感器5; 以及文件移动检测传感器SN2，用于检测用户是否正在设置文件表上的文档，并且在通过文档传感器5检测到纸张的存在并检测文档之后对文档进行馈送准备操作纸张设置操作已由文档移动检测传感器SN2完成。

3. 发明专利

JP2013119464A Automatic document feeder, image reading apparatus, and image forming apparatus 审中-公开
标题翻译：自动文件进纸器，图像读取装置和图像形成装置
公开(公告)号：JP2013119464A
公开(公告)日：2013-06-17
申请号：JP2011268118
申请日：2011-12-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKANO HIROKI , KIMURA NORIO , FUJITA ATSUSHI , TOBINAGA HIDEKI , KANBAYASHI MAMORU , FUKUMOTO TAKASHI , FUKUCHI MASATAKA , SUZUKI MICHITAKA , YOSHIDA RYUJI , SANO TAKUYA , MORITA KENICHIRO , MORINAGA TAKUYA , NAKANO TAKASHI
IPC分类号： B65H5/06 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an automatic document feeder, an image reading apparatus, and an image forming apparatus for improving the durability of a delivery roller pair while varying the nip angle of the delivery roller pair.SOLUTION: The automatic document feeder includes the delivery roller pair 50 for delivering a document out of the feeder, a spring 57 for pressing a driven roller 50b on one side of the delivery roller pair 50 to a driving roller 50a on the other side, a rocking bracket 53 that supports the driven roller 50b and the spring 57 and rocks on a circular arc centered on the driving roller 50a independently of the driving roller 50a, and a driving gear 56 for rocking the rocking bracket 53.
摘要翻译：要解决的问题：提供一种自动进稿器，图像读取装置和图像形成装置，用于在改变输送辊对的夹持角度的同时提高输送辊对的耐久性。
解决方案：自动进纸器包括用于将原稿从供纸器输出的输送辊对50，用于将输送辊对50的一侧上的从动辊50b压向另一侧的驱动辊50a的弹簧57 支撑从动辊50b和弹簧57的摆动支架53，并且与驱动辊50a独立地驱动在驱动辊50a的中心的圆弧上摇摆，以及用于摆动摆动支架53的驱动齿轮56。版权所有（C）2013，JPO＆INPIT

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